Mr. Lane uses 3/4 of a cup of blueberries for every 6 pancakes he makes. He has a ton of relatives over, so he is going to make 34 pancakes. What amount of blueberries will he need for the 34 pancakes? *

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.